Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 321, NWS Tulsa, OK

July 4, 1995Cherokee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 4, 1995, 8:14 PM CDT for Cherokee County, Oklahoma. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1995, 8:14 PM CDT (01:14 UTC)
Expired
Jul 4, 1995, 9:00 PM CDT
In force
46 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Cherokee County, OK

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.2 hours before the alert went out and 154 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 1995-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2328 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1995-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2328 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1132 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
1.7
Supercell composite
12.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KTUL 050116 RRA
SVRTUL
OKC021-050200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
814 PM CDT TUE JUL 4 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL OKLAHOMA
 
   ...SOUTHERN CHEROKEE COUNTY
 
AT 812 PM WEATHER SERVICE RADAR SHOWED A CLUSTER OF SEVERE THUNDERSTORMS
FROM NEAR TAHLEQUAH TO JUST EAST OF BRAGGS...MOVING EAST AT 30 MPH.
PETTIT...COOKSON...AND BARBER ARE IN THE PATH OF THESE STORMS.
 
HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO RAPIDLY
CHANGING WEATHER CONDITIONS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 3:42 PM CDT, 4 hours 32 minutes earlier.

Area forecast discussion, Jul 4, 3:42 PM CDT, 4 hours 32 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
340 PM CDT TUE JUL 4 1995

CAP STILL HOLDING ACROSS FA THIS AFTN...BUT LEADING EDGE OF COLD
AIR ALOFT SHUD BEGIN TO SPILL INTO E OK WITHIN NEXT HOUR OR SO.
PROFILER DATA AND MESONET INDICATING VEERING FLOW AHEAD OF DRYLINE
SO LARGE HAIL LIKELY MAIN THREAT IN W PART OF FA. ETA HELICITY
PROGS TARGET BEST CHC FOR ROTATING STRMS IN E PART OF FA. WL HV
HIGHEST POPS IN E SINCE STRMS MAY FIRE B4 00Z ACROSS W PART OF
AREA. WL GEN STAY WELL ABV MOS POPS FOR TONIGHT. WL HV CAUTION ON
LAKES ACROSS NE OK/NW AR ZNS THIS EVENING.

ETA MAINTAINS GUD CAPES IN E ZNS SO WL CONT CHC POPS IN EAST ZNS
ON WED WITH SLGHT CHC IN W WITH ACTIVITY MAINLY DIURNAL. FNTL BDRY
TO SHIFT E OF AREA BY WED WITH UPR RDG BUILDING W OF AREA BY LATE
IN THE WEEK.

TUL 068/091 069/090 068 421-
FSM 071/090 069/091 067 4431
MLC 070/091 070/091 068 3421
BVO 069/090 067/091 XXX 42`1-
FYV 068/088 067/090 XXX 6431
IDB 071/091 069/090 XXX 3331
BYV 070/089 067/088 XXX 6431

...10...

.TUL...CAUTION ON AREA LAKES THIS EVENING OK ZONES 54>71
                                          AR ZONES 1/2/10/11.

In the hours before

Special weather statement, Jul 4, 4:31 PM CDT, 3 hours 43 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-051200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
430 PM CDT TUE JUL 4 1993

...UPDATE FOR SHORT TERM TRENDS...

A THUNDERSTORM HAS RAPIDLY BECOME SEVERE OVER SOUTHEAST CREEK
COUNTY BETWEEN BRISTOW AND SLICK.  THE STORM IS MOVING NORTHEAST AT
25 TO 30 MPH AND WILL AFFECT PARTS OF SOUTHERN TULSA COUNTY AND
POSSIBLY NORTHERN OKMULGEE COUNTY BETWEEN 5 AND 630 PM.  WITH
EXTREME INSTABILITY AND A MODERATELY FAVORABLE WIND PROFILE THIS
STORM MAY BECOME A SUPERCELL WITH THE THREAT OF EXTREMELY LARGE
HAIL...DAMAGING WINDS AND TORNADOES.

EMERGENCY MANAGEMENT AGENCIES AND SPOTTER GROUPS IN CREEK...TULSA
AND OKMUfLGEE COUNTIES SHOULD IMMEDIATELY DEPLOY SPOTTERS ON THIS
STORM.

PERSONS IN EASTERN CREEK...SOUTHERN TULSA AND NORTHER OKMULGEE
COUNTY SHOULD BE READY TO MOVE TO A PLACE OF SAFETY AND MONITOR THE
SITUATION CLOSELY.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 7:12 PM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner48 min
Jul 4, 7:18 PM CDTSevere Thunderstorm WarningTSAPittsburg42 min
Jul 4, 7:27 PM CDTSevere Thunderstorm WarningTSACherokee48 min
Jul 4, 7:51 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer69 min
Jul 4, 7:54 PM CDTSevere Thunderstorm WarningTSAAdair66 min
Jul 4, 7:56 PM CDTSevere Thunderstorm WarningTSAPittsburg64 min
Jul 4, 8:24 PM CDTSevere Thunderstorm WarningTSASequoyah66 min
Jul 4, 8:39 PM CDTSevere Thunderstorm WarningTSALeFlore66 min
Jul 4, 8:56 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore64 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1995Every severe thunderstorm warning in 1995

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.